EP 0749199 A1 19961218 - Power supply for an appliance having an operating mode and a stand-by mode
Title (en)
Power supply for an appliance having an operating mode and a stand-by mode
Title (de)
Netzteil für Vorrichtung mit Funktionsbetrieb und Bereitschaftsbetrieb
Title (fr)
Alimentation électrique pour appareil possédant un mode de fonctionnement et un mode d'attente
Publication
Application
Priority
FR 9506901 A 19950612
Abstract (en)
A power supply for an electric appliance having an operating mode and a standby mode includes a transformer block (9) for producing a constant power output into two low voltage outputs (Vc and Vcc), an operating power supply circuit (2) coupled to one of the two low voltage outputs (Vcc) to power the appliance during the operating mode, and a receiver circuit (3) coupled to the other low voltage output via an impedance path (14, 15). The receiver circuit (3) includes a switch (17) for switching a very low impedance into a path parallel with the first impedance when it receives a signal indicating that the appliance is to enter the standby mode, so that the voltage at the other low voltage output (Vcc) is reduced, thereby increasing the current drawn by the receiver circuit (3) and thus reducing the power available to the operating power supply circuit (2). <IMAGE>
IPC 1-7
IPC 8 full level
H02J 1/00 (2006.01); H02M 3/28 (2006.01); H02M 3/335 (2006.01); H04N 5/63 (2006.01)
CPC (source: EP KR)
H02M 3/28 (2013.01 - KR); H02M 3/33507 (2013.01 - EP); H04N 5/63 (2013.01 - EP); H02M 1/0032 (2021.05 - EP); H02M 1/009 (2021.05 - EP); Y02B 70/10 (2013.01 - EP)
Citation (search report)
- [X] NL 7810087 A 19800409 - PHILIPS NV
- [A] DE 3328181 C1 19840524 - GRUNDIG EMV
- [A] EP 0380033 A2 19900801 - SIEMENS AG [DE]
Designated contracting state (EPC)
DE GB IT
DOCDB simple family (publication)
EP 0749199 A1 19961218; FR 2735295 A1 19961213; FR 2735295 B1 19970905; JP H09107678 A 19970422; KR 970004253 A 19970129
DOCDB simple family (application)
EP 96108602 A 19960530; FR 9506901 A 19950612; JP 17302196 A 19960611; KR 19960020698 A 19960611